Click on the third or sixth rank to set the en passant target square.

EGTB: draw

# move score
1 Rb6 draw
2 Rc6 draw
3 Rd6 draw
4 Rg1 draw
5 Rg2 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kc2 loss in 2 half-moves
9 Kd1 loss in 2 half-moves
10 Kd2 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rg5 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Re6 loss in 1 half-moves
19 Rg3 loss in 1 half-moves